9. Exercise keeps you smart

Focus and concentration, known as mental acuity, is improved when you move. This is especially noticeable with aging. Activity reduces your chances of developing Alzheimer's or signs of senility.

Focus and concentration, known as mental acuity, is improved when you move. This is especially noticeable with aging. Activity reduces your chances of developing Alzheimer's or signs of senility. (CANDICE C. CUSIC, Chicago Tribune)

Focus and concentration, known as mental acuity, is improved when you move. This is especially noticeable with aging. Activity reduces your chances of developing Alzheimer's or signs of senility.